55742045 has 8 divisors (see below), whose sum is σ = 66942720. Its totient is φ = 44558800.

The previous prime is 55742023. The next prime is 55742051. The reversal of 55742045 is 54024755.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 55742045 - 2¹⁴ = 55725661 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4220 + ... + 11370.

It is an arithmetic number, because the mean of its divisors is an integer number (8367840).

Almost surely, 2^55742045 is an apocalyptic number.

It is an amenable number.

55742045 is a deficient number, since it is larger than the sum of its proper divisors (11200675).

55742045 is a wasteful number, since it uses less digits than its factorization.

55742045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8715.

The product of its (nonzero) digits is 28000, while the sum is 32.

The square root of 55742045 is about 7466.0595363284. The cubic root of 55742045 is about 381.9978915849.

The spelling of 55742045 in words is "fifty-five million, seven hundred forty-two thousand, forty-five".